WebCore::Pasteboard::createForCopyAndPaste() creates pasteboard object with only text content Even though it has member object to store url, files and html.

For dom api getdata(mimetype) can query specific content from clipboard data
ref : https://html.spec.whatwg.org/multipage/interaction.html#dom-datatransfer-getdata

Expected : Pasteboard should have pre-parsed object during getdata (dom) api call.

For supported / expected mimetype : https://w3c.github.io/clipboard-apis/#mandatory-data-types